Feature film with several different stories about the breakthrough of the telephone and the telegraph.
| Actor | Role |
|---|---|
 Wiktor AnderssonNot listed | Not listed |
 Björn BerglundNot listed | Not listed |
 Olof BergströmNot listed | Not listed |
 Åke FalckNot listed | Not listed |
 Inger JuelNot listed | Not listed |
 Ulf JohanssonNot listed | Not listed |
 Ruth KasdanNot listed | Not listed |
 Margaretha BergströmNot listed | Not listed |